A Disadvantage of Descriptive Studies Is

question 9

Multiple Choice

A disadvantage of descriptive studies is:

• A)they are most effective with small numbers of subjects.
• B)representative samples are difficult to gather.
• C)statistical analysis is limited to graphs.
• D)the researcher has no control over either subjects or the events influencing their behavior.

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Definitions:

Nerve Cord

A bundle of nerve fibers running the length of an animal's body, which is the central component of its nervous system.

Phylogeny

Phylogeny is a visual representation of the evolutionary history of populations, genes, or species.

Homology

Homology refers to the similarity of characteristics resulting from shared ancestry.

Bat Wings

A term describing the wing structure of bats, which consists of a membrane stretched between elongated fingers.